Matthew 23:10 KJV
Neither be ye called masters: for one is your Master, even Christ.
Matthew 23:8–12 KJV Chapter Context
8
But be not ye called Rabbi: for one is your Master, even Christ; and all ye are brethren.
9
And call no man your father upon the earth: for one is your Father, which is in heaven.
10
Neither be ye called masters: for one is your Master, even Christ.
11
But he that is greatest among you shall be your servant.
12
And whosoever shall exalt himself shall be abased; and he that shall humble himself shall be exalted.